C04B 14/20
Mica
Official title: Mica; Vermiculite {(mechanical splitting B28D)}
C04B14/20 (Mica) appears on 129 US grants and 83 published applications in this corpus.
Search patents in C04B- Granted patents
- 129
- Published applications
- 83
- Assignees
- 79
- Inventors
- 270
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 11 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 5 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 3 | 3 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 3 |
| 2013 | 1 | 0 |
| 2014 | 4 | 3 |
| 2015 | 3 | 1 |
| 2016 | 1 | 3 |
| 2017 | 4 | 6 |
| 2018 | 4 | 9 |
| 2019 | 3 | 7 |
| 2020 | 5 | 8 |
| 2021 | 6 | 6 |
| 2022 | 6 | 2 |
| 2023 | 3 | 4 |
| 2024 | 3 | 5 |
| 2025 | 2 | 5 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat and fire resistant geopolymer materials21 Jul 2026US 12,686,637 B2
- Perlite-free, lightweight setting-type joint compound compositions28 Apr 2026US 12,612,336 B2Knauf Gips KG
- Sheet silicate lamellae with a high aspect ratio14 Apr 2026US 12,600,640 B2BYK-Chemie GmbH
- Fiber cement decking products and methods for the production thereof10 Jun 2025US 12,325,663 B2Eternit GmbH
- Foundry articles for metal working applications, methods of making such foundry articles, and particulate refractory compositions for use in such methods15 Apr 2025US 12,275,059 B2ImerTech SAS
- Smart construction materials for ambient modification of built environments8 Oct 2026US 2026/0308064 A1Texas State University
- Lightweight polymer concrete panel and a method and composition for its manufacture30 Apr 2026US 2026/0116822 A1Concrete Products OÜ
- Gypsum Panel Containing an Intercalated Additive21 Aug 2025US 2025/0263342 A1Gold Bond Building Products, LLC
- Method for manufacturing geopolymer foam10 Jul 2025US 2025/0223227 A1Jsp Corporation
- Alternative means of preservation of coatings/compounds1 May 2025US 2025/0136511 A1United States Gypsum Company
Most cited
By later US patents
- Composite material containing a layered silicate205US 4,889,885 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1989
- Layered minerals and compositions comprising the same88US 5,530,052 AGeneral Electric Company · 1996
- Layered minerals and compositions comprising the same88US 5,707,439 AGeneral Electric Company · 1998
- Vermiculite composition with improved thermal expansion properties65US 5,340,558 AW. R. Grace & Co.-Conn. · 1994
- Highly heat-resistant disc roll57US 4,533,581 A1985